tv [untitled] October 26, 2010 8:30am-9:00am PST
solar never made economic sense. bio fuels never made economic sense. it's when it was adopted that it started making sense. >> some of them have challenges, that take a long time to prove out, but there's no reason that the challenge of where we will get tomorrow's energy in the united states should not produce a very, very large. >> san francisco is unique in the united states because we serve our own power needs. >> the city of san francisco is well positioned in that we are perfectly located to take advantage of any renewable category. >> we tend to be the last one to figure it all out. it's real people that are saying, enough's enough. . >> the answer is going to be in renewable. the sooner we do something about it, the easier it will be it resolve. >> we're not just talking about what a city can do, we're doing it.